4-[4-(Methanesulfonyloxy)-1-butynyl]-a,a-di(methyl-d3)benzeneacetic Acid, Methyl Ester CAS 1020719-58-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1020719-58-7 |
| Molecular Formula | C16H20O5S |
| Molecular Weight | 324.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-[4-(Methanesulfonyloxy)-1-butynyl]-a,a-di(methyl-d3)benzeneacetic Acid, Methyl Ester (CAS 1020719-58-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H20O5S. Molecular weight: 324.39 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H20O5S |
| Molecular Weight | 324.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Sulfur Atoms | 1 |
Related Methanesulfonyloxy Standards
- 4-[4-(Methanesulfonyloxy)-1-butynyl]-α,α-di(methyl)benzeneacetic Acid, Methyl Ester (CAS 154825-94-2)
- Benzyl 2-[(methanesulfonyloxy)methyl]pyrrolidine-1-carboxylate (CAS 317830-92-5)
- Benzyl 4-(methanesulfonyloxy)piperidine-1-carboxylate (CAS 199103-19-0)
- 4-[(2-Methanesulfonyloxy-ethyl)-methyl-amino]-piperidine-1-carboxylic acid tert-butyl ester (CAS 1447123-00-3)
- 1,2,4-Tris(methanesulfonyloxy)butane (CAS 108963-16-2)
- (R)-3-Methanesulfonyloxy-pyrrolidine-1-carboxylic acid tert-butyl ester (CAS 141699-57-2)
- 3-(Methanesulfonyloxy)propyl methanesulfonate (CAS 15886-84-7)
- Methyl 2-(1-[(methanesulfonyloxy)-methyl]cyclopropyl)acetate (CAS 170721-48-9)
Recommended Standards
- Tert-butyl 4-((4-amino-2-fluorophenoxy)methyl)piperidine-1-carboxylate (CAS 1000053-44-0)
- 1-Oxo-2-oxaspiro[4.5]decan-8-yl 4-methylbenzenesulfonate (CAS 1043908-54-8)
- Ribociclib Impurity 32 (CAS CATO-C4X-310032)
- 3-[3-(trifluoromethyl)phenyl]pyridine (CAS 5957-99-3)
- (1R,2R)-1-Amino-2-phenylcyclopropane-1-carboxylic acid hydrochloride (CAS 110716-95-5)
- 2-(Butylthio)benzenethiol (CAS 1379105-67-5)
- N,3-diphenyl-3-(phenylsulfonyl)propanamide (CAS 861596-00-1)
- 3-(Methoxycarbonyl)bicyclo[1.1.1]pentane-1-carboxylic Acid (CAS 83249-10-9)
- 8-Fluoro-2-oxo-2H-chromene-4-carboxylic acid (CAS 1355181-58-6)
- Fibrinogen-Binding Inhibitor Peptide (CAS 89105-94-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com